/*
 * @Description: 
 * @Author: zoe
 * @Date: 2024-09-10 14:52:49
 * @LastEditors: rendc
 * @LastEditTime: 2024-09-10 14:58:58
 */
public class TestDuration{
    public static void  main(String[] args){
        Duration d1 = new Duration();
        d1.disp();
         Duration d2 = new Duration(20,30,40);
        d2.disp();
         Duration d3 = new Duration(3661);
        d3.disp();
    }
}

